\begin{tabular}{l*{5}{c}}
\toprule
            &\multicolumn{5}{c}{\shortstack{Orient nb. other cand., t+1}}    \\\cmidrule(lr){2-6}
            &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}\\
\midrule
RD\_Estimate &      -0.415&      -0.421&      -0.408&      -0.407&      -0.406\\
            &     (0.038)&     (0.035)&     (0.092)&     (0.048)&     (0.096)\\
\midrule
Robust p-value&       0.000&       0.000&       0.003&       0.000&       0.004\\
Observations&       17844&       20318&        3354&       12171&        6575\\
Polynomial order&           1&           1&           1&           1&           2\\
Bandwidth   &       0.161&       0.193&       0.025&       0.100&       0.050\\
Mean, left of threshold&       1.840&       1.837&       1.867&       1.854&       1.854\\
\bottomrule
\end{tabular}
